Etemadi Bijan, Kia Reza, Sharghi Hashem, Hosseini Sarvari Mona
Acta Crystallogr Sect E Struct Rep Online. 2009 May 20;65(Pt 6):o1309. doi: 10.1107/S1600536809016663.
The mol-ecule of the title compound, C(20)H(20)N(2)O(6), lies across a crystallographic inversion centre, the asymmetric unit comprising one half-mol-ecule. An intra-molecular O-H⋯N hydrogen bond generates a six-membered ring, producing an S(6) ring motif. Pairs of inter-molecular C-H⋯O hydrogen bonds link neighbouring mol-ecules into a layer with R(2) (2)(38) ring motif. The crystal structure is further stabilized by the inter-molecular C-H⋯π inter-actions.
标题化合物C(20)H(20)N(2)O(6)的分子位于一个晶体学反演中心上，不对称单元包含半个分子。分子内的O-H⋯N氢键形成一个六元环，产生S(6)环模式。分子间的C-H⋯O氢键对将相邻分子连接成具有R(2) (2)(38)环模式的层。晶体结构通过分子间的C-H⋯π相互作用进一步稳定。
